Darktrace System Status

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Id	2e629769-60eb-4a14-8bfc-bde9be66ebeb
Rulename	Darktrace System Status
Description	This rule creates Microsoft Sentinel Alerts based on Darktrace system status alerts for health monitoring, fetched every 5 minutes.
Severity	Informational
Required data connectors	DarktraceRESTConnector
Kind	Scheduled
Query frequency	5m
Query period	5m
Trigger threshold	0
Trigger operator	gt
Source Uri	https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Darktrace/Analytic Rules/CreateAlertFromSystemStatus.yaml
Version	1.1.0
Arm template	2e629769-60eb-4a14-8bfc-bde9be66ebeb.json

KQL

darktrace_model_alerts_CL //anything starting with 'Dt' is not an ASIM mapping 
| where dtProduct_s =="System Alert"
| extend EventVendor="Darktrace", EventProduct="Darktrace DETECT"
| project-rename ThreatCategory=dtProduct_s, EventStartTime=time_s, NetworkRuleName=friendlyName_s, SrcIpAddr=deviceIP_s, SrcHostname=hostname_s, ThreatRiskLevel=priority_code_d, ThreatRiskCategory=priority_s, DtSeverity=Severity, DtName=name_s, DtStatus=status_s, DtMessage=Message, DtURL=url_s, DtUUID=uuid_g

YAML

requiredDataConnectors:
- connectorId: DarktraceRESTConnector
  dataTypes:
  - darktrace_model_alerts_CL
relevantTechniques: 
name: Darktrace System Status
queryFrequency: 5m
triggerThreshold: 0
severity: Informational
alertDetailsOverride:
  alertSeverityColumnName: 
  alertTacticsColumnName: 
  alertDynamicProperties:
  - alertProperty: AlertLink
    value: DtURL
  - alertProperty: ProviderName
    value: EventVendor
  - alertProperty: ProductName
    value: EventProduct
  - alertProperty: ProductComponentName
    value: ThreatCategory
  alertDisplayNameFormat: 'Darktrace: {{ThreatRiskLevel}} - {{NetworkRuleName}}'
  alertDescriptionFormat: '{{DtMessage}}'
query: |
  darktrace_model_alerts_CL //anything starting with 'Dt' is not an ASIM mapping 
  | where dtProduct_s =="System Alert"
  | extend EventVendor="Darktrace", EventProduct="Darktrace DETECT"
  | project-rename ThreatCategory=dtProduct_s, EventStartTime=time_s, NetworkRuleName=friendlyName_s, SrcIpAddr=deviceIP_s, SrcHostname=hostname_s, ThreatRiskLevel=priority_code_d, ThreatRiskCategory=priority_s, DtSeverity=Severity, DtName=name_s, DtStatus=status_s, DtMessage=Message, DtURL=url_s, DtUUID=uuid_g  
tactics: 
OriginalUri: https://github.com/Azure/Azure-Sentinel/blob/master/Solutions/Darktrace/Analytic Rules/CreateAlertFromSystemStatus.yaml
version: 1.1.0
entityMappings:
- fieldMappings:
  - columnName: SrcHostname
    identifier: HostName
  entityType: Host
- fieldMappings:
  - columnName: SrcIpAddr
    identifier: Address
  entityType: IP
queryPeriod: 5m
triggerOperator: gt
customDetails:
  DtMessage: DtMessage
  ThreatRiskCategory: ThreatRiskCategory
  EventStartTime: EventStartTime
  DtSeverity: DtSeverity
  DtStatus: DtStatus
  DtName: DtName
  ThreatRiskLevel: ThreatRiskLevel
  NetworkRuleName: NetworkRuleName
eventGroupingSettings:
  aggregationKind: AlertPerResult
id: 2e629769-60eb-4a14-8bfc-bde9be66ebeb
kind: Scheduled
description: |
    'This rule creates Microsoft Sentinel Alerts based on Darktrace system status alerts for health monitoring, fetched every 5 minutes.'

ARM